Ending today, BuyDig via Rakuten Shopping offers the Seagate 3TB Expansion USB 3.0 External Hard Drive
, model no. STBV3000100, for $109. Apply coupon "MASTERPASS30" and checkout via MasterPass to drop it to $79
. With free shipping
, that's $0.03/GB, $21 below our mention from two weeks ago, and the lowest total price we could find by $24. It features built-in power management.